Unreal Engine Issues
Unreal Engine Issues
ContentExamples: UMG Example 2.3 "blueprint" is lowercased
Docs - Samples - Jan 19, 2017The word "blueprint" on stand 2.3 in the Content Examples: UMG map is lowercase, but should be capitalized ...
Specular Scale 0 on Light still affects Groom asset
UE - Rendering Architecture - Jul 30, 2025When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change. ...
Lumen temporal flicker after leaving Editor open for 3+ days
UE - Graphics Features - Lumen - Nov 18, 2024Lumen GI has temporal flickering/noise after running the Editor for 3+ days. ...
Materials with Subsurface Profile not affected by Opacity value
UE - Graphics Features - Oct 24, 2017A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...
Subway Sequencer too dark due to tonemapper film changes in 4.15
Docs - Samples - Jan 31, 2017Scene is too dark in subway sequencer due to tonemapper film changes in 4.15. ...
Initial Seed value on Random Stream node has no affect
UE - Gameplay - Blueprint - Nov 16, 2017When using a Random Stream variable to populate a Random Integer in Range from Stream, the Initial Seed value has no affect on the random integer selected. Workaround: Using a Seed Random Stream or ...
Different Load Orders affect Shadows on Foliage & HISM
UE - World Creation - Worldbuilding Tools - Foliage - Mar 14, 2019Different Load Orders affect Shadows on Foliage & HISM Discovered during verification of [Link Removed] Also created a Blueprint actor with a HISM and duplicated it three times and changed the mob ...
Character Movement Mode in Water Volume is affecting all clients
UE - Gameplay - Player Movement - Dec 16, 2019Strange behavior concerning Character Movement Network Replication and a Water Physics Volume. Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...
Editor becomes unresponsive when Playing Editor with 3 or more players when an Oculus is hooked up
UE - Platform - XR - Jan 4, 2018The editor appears to freeze when PIE is set to run with 3 or more players and an Oculus is hooked up to the machine. As a note this issue occurs the second time that PIE is used. ...